Patents
Patents for H03C 7 - Modulating electromagnetic waves (533)
09/2012
09/04/2012US8260209 System and method for coordinated spatial multiplexing using second order statistical information
09/04/2012US8260198 Wireless communication system, wireless communication apparatus, and wireless communication method
08/2012
08/21/2012US8249528 Method, apparatus and system for providing transmit diversity feedback during soft handoff
08/16/2012US20120208467 Method, system and apparatus using multiple feedbacks for uplink closed-loop beamforming
07/2012
07/31/2012US8233848 Method and system for a greedy user group selection with range reduction in TDD multiuser MIMO downlink transmission
07/31/2012US8233426 Apparatus and method for transmitting and receiving packet data using multiple antennas in a wireless communication system
07/24/2012US8229371 Receiving-transmission apparatus and method of switching transmission antenna in transmission switched diversity system
07/17/2012US8224263 Transmitter for communications system
07/17/2012US8224241 System and method for antenna orientation for mobile applications
07/17/2012US8223723 Method and system for generating antenna selection signals in wireless networks
07/10/2012US8219042 Wireless communication system, base station device, mobile station device, and macrodiversity selection method
05/2012
05/08/2012USRE43367 Power-based hardware diversity
04/2012
04/24/2012US8165536 Wireless communication apparatus and wireless communication system
04/19/2012DE10040957B4 Hochfrequenzdiodenoszillator und Vorrichtung zum Senden/Empfangen von Millimeterwellen High frequency oscillator diodes and apparatus for transmitting / receiving millimeter waves
04/17/2012US8159967 Wireless communication using beam forming and diversity
03/2012
03/27/2012US8145128 Wireless reception apparatus, wireless transmission apparatus, wireless communication system, wireless reception method, wireless transmission method, and wireless communication method
03/20/2012US8139668 Unified STTC encoder for WAVE transceivers
03/08/2012US20120058720 Feeder cable reduction
03/06/2012US8131228 Interference based phase shift precoding for OFDM
03/06/2012US8131227 Method of transceiving driver software over the air and apparatus using the same
02/2012
02/28/2012US8126408 Multi-mode wireless communication link
02/21/2012US8121559 Wireless transmitter
02/21/2012US8121537 Apparatus and method for uplink channel sounding in a wireless communication system
02/14/2012US8116698 Generalized MIMO-beamforming weight estimation
02/14/2012US8116696 Transmitter for communications system
02/14/2012US8116695 Method, device and system of reduced peak-to-average-ratio communication
01/2012
01/31/2012US8107897 Wireless transmitter
01/19/2012US20120014364 Wlan transmitter having high data throughput
01/17/2012US8099063 Transmitter for communications system
01/10/2012US8095084 Non-real-time selection of distributed DHO nodes
12/2011
12/29/2011WO2011093592A4 Beam-forming device
12/29/2011US20110317775 Modified preamble structure for ieee 802.11a extensions to allow for coexistence and interoperability between 802.11a devices and higher data rate, mimo or otherwise extended devices
12/27/2011US8086273 Wireless communication method, wireless communication system, and wireless communication apparatus
12/06/2011US8073405 MIMO transmitter
12/06/2011US8073404 Mobile communication method, mobile station and base station
11/2011
11/22/2011US8064936 Method and system for a multistandard proxy
11/15/2011USRE42919 Power control with space time transmit diversity
11/15/2011US8060147 Feeder cable reduction
11/15/2011US8060032 Wireless communication device
11/15/2011US8059740 WLAN transmitter having high data throughput
11/10/2011WO2011137588A1 Method, device and system for polarizing signal
11/10/2011WO2011093592A3 Beam-forming device
11/01/2011US8050360 Direct link relay in a wireless network
10/2011
10/18/2011US8040788 Multi-dimensional network resource allocation
09/2011
09/27/2011US8027649 Radio communication system, a transmitter and a receiver
09/27/2011US8027315 Antenna diversity
09/20/2011US8023907 Method and system for diversity processing including using dedicated pilot method for open loop
09/20/2011US8023904 Methods and apparatus for transmitting information between a basestation and multiple mobile stations
09/06/2011USRE42681 Wireless system with transmitter having multiple transmit antennas and combining open loop and closed loop transmit diversities
09/06/2011US8014734 Method, apparatus and system for controlling a transmit diversity device
09/06/2011US8014267 Methods and apparatus for backwards compatible communication in a multiple input multiple output communication system with lower order receivers
08/2011
08/30/2011US8010062 Multiple frequency antenna array for use with an RF transmitter or receiver
08/23/2011US8005440 Mobile station apparatus and control method for the mobile station apparatus
08/23/2011US8005163 Constellation rearrangement for transmit diversity schemes
08/18/2011DE102005034878B4 Wahlschalter, Hochfrequenz-Sende-/Empfangsvorrichtung, Radarvorrichtung, mit der Radarvorrichtung ausgestattetes Fahrzeug und kleines Schiff Selector switch, high-frequency transmitting / receiving apparatus, radar apparatus, equipped with the radar device vehicle and small ship
08/04/2011WO2011093592A2 Beam-forming device
08/02/2011US7991009 Preamble formats for MIMO wireless communications
07/2011
07/26/2011US7986653 Wireless data transmission between base station and transponder with transmission parameter adjusted based on transponder operating information
06/2011
06/21/2011US7966043 Method for creating multiple-input-multiple-output channel with beamforming using signals transmitted from single transmit antenna
06/14/2011US7962091 Resource management and interference mitigation techniques for relay-based wireless networks
06/07/2011US7957351 Method and apparatus for management of multi-carrier communications in a wireless communication system
05/2011
05/24/2011US7949360 Method and apparatus for adaptively allocating transmission power for beam-forming combined with OSTBCs in a distributed wireless communication system
05/05/2011WO2011053243A1 A transmitter with modulation
04/2011
04/19/2011US7929925 Rate-adaptive multiple input/multiple output (MIMO) wireless system
04/19/2011US7929922 Radio communication system, a transmitter and a receiver
04/19/2011US7929921 Diversity control in wireless communications devices and methods
04/19/2011US7929407 Method and system for combining OFDM and transformed OFDM
03/2011
03/29/2011US7917101 Method and system for a greedy user group selection with range reduction in TDD multiuser MIMO downlink transmission
03/29/2011US7917100 Method and system for a double search user group selection scheme with range in TDD multiuser MIMO downlink transmission
03/29/2011US7916803 Modified preamble structure for IEEE 802.11a extensions to allow for coexistence and interoperability between 802.11a devices and higher data rate, MIMO or otherwise extended devices
03/15/2011US7907919 Predicting future changes to strengths of paths in MIMO systems
03/08/2011US7904117 Wireless communication device using adaptive beamforming
03/08/2011US7904106 Method and apparatus of adaptively allocating transmission power for beamforming combined with orthogonal space-time block codes based on symbol error rate in distributed wireless communication system
02/2011
02/08/2011US7885618 Generating calibration data for a transmit diversity communication device
02/08/2011US7885617 Base station, radio line control station, and radio communication method
12/2010
12/08/2010CN101006334B Electromagnetic resonant sensor having dielectric main body and variable gap cavity
10/2010
10/19/2010US7817967 Communications systems including adaptive antenna systems and methods for inter-system and intra-system interference reduction
09/2010
09/30/2010US20100248785 Feeder cable reduction
09/21/2010US7801496 Method to enable open loop antenna transmit diversity on channels having dedicated pilots
09/21/2010US7801018 Diversity receiver, and method for receiving orthogonal frequency division multiplex signal
09/07/2010US7792206 Closed loop feedback system for improved down link performance
07/2010
07/29/2010WO2010083588A1 High speed signal generator
06/2010
06/01/2010US7729726 Feeder cable reduction
05/2010
05/25/2010US7725085 Space-time communications determination
05/25/2010US7724720 Method for transmitting a sequence of symbols
05/19/2010EP2187517A1 Image rejection mixer and wireless communication device
05/11/2010US7715806 Method and system for diversity processing including using dedicated pilot method for closed loop
05/11/2010US7715805 Method for transmitting data in a MIMO telecommunication system offering a high diversity as perceived from a receiver end
05/04/2010US7711330 Method and apparatus for transmitting/receiving signals in multiple input multiple output wireless communication system employing beam forming scheme
05/04/2010US7710319 Adaptive beam-steering methods to maximize wireless link budget and reduce delay-spread using multiple transmit and receive antennas
04/2010
04/27/2010US7706347 Signal processing apparatus and method using multi-output mobile communication system
04/15/2010WO2010041753A1 Pulse wireless communication device
03/2010
03/16/2010US7679516 Wireless tag system having a plurality of antenna feeding points
03/16/2010CA2505890C Multi-modulation remote control communication system
03/11/2010US20100061402 Modified preamble structure for ieee 802.11a extensions to allow for coexistence and interoperability between 802.11a devices and higher data rate, mimo or otherwise extended devices
03/02/2010US7672646 Base station and mobile communication system utilizing the same
02/2010
02/09/2010US7660561 Method and system for implementing smart antennas and diversity techniques
02/02/2010US7656969 Dual payload and adaptive modulation
12/2009
12/29/2009US7639991 Mobile phone for controlling diversity
12/17/2009US20090309670 Switched Bands Phase Shifter
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